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Power management fix for 5.5-rc7

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Fix a coding mistake in the teo cpuidle governor causing data
 to be written beyond the last array element (Ikjoon Jang).
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Merge tag 'pm-5.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fix from Rafael Wysocki:
 "Fix a coding mistake in the teo cpuidle governor causing data to be
  written beyond the last array element (Ikjoon Jang)"

* tag 'pm-5.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpuidle: teo: Fix intervals[] array indexing bug
This commit is contained in:
Linus Torvalds 2020-01-16 15:55:30 -08:00
commit f4353c3e2a
1 changed files with 1 additions and 1 deletions
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2
drivers/cpuidle/governors/teo.c
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@ -198,7 +198,7 @@ static void teo_update(struct cpuidle_driver *drv, struct cpuidle_device *dev)
* pattern detection.
*/
cpu_data->intervals[cpu_data->interval_idx++] = measured_ns;
if (cpu_data->interval_idx > INTERVALS)
if (cpu_data->interval_idx >= INTERVALS)
cpu_data->interval_idx = 0;
}